Update README.md

README.md

@@ -98,4 +98,18 @@ vllm serve OPI-PIB/PolDense-1B --dtype bfloat16 --runner pooling --convert embed
 
 The research was supported by the project <strong>Large Language Models for the European Union (LLMs4EU)</strong>. This project is co-funded by the Digital Europe Programme under Grant Agreement 101198470.
 
-The research was supported [in part] by project “<strong>Cloud Artificial Intelligence Service Engineering (CAISE)</strong> platform to create universal and smart services for various application areas”, No. KPOD.05.10-IW.10-0005/24, as part of the European IPCEI-CIS program, financed by NRRP (National Recovery and Resilience Plan) funds. Computations were carried out using the computers of <strong>Centre of Informatics Tricity Academic Supercomputer & Network at Gdansk University of Technology</strong>.
+The research was supported [in part] by project “<strong>Cloud Artificial Intelligence Service Engineering (CAISE)</strong> platform to create universal and smart services for various application areas”, No. KPOD.05.10-IW.10-0005/24, as part of the European IPCEI-CIS program, financed by NRRP (National Recovery and Resilience Plan) funds. Computations were carried out using the computers of <strong>Centre of Informatics Tricity Academic Supercomputer & Network at Gdansk University of Technology</strong>.
+
+## Citation
+
+```bibtex
+@misc{dadas2026parameterefficientretrieverspolisheuropean,
+  title={Parameter-Efficient Retrievers for Polish and European Languages}, 
+  author={Sławomir Dadas and Rafał Poświata and Małgorzata Grębowiec and Michał Perełkiewicz},
+  year={2026},
+  eprint={2609.12913},
+  archivePrefix={arXiv},
+  primaryClass={cs.CL},
+  url={https://arxiv.org/abs/2609.12913} 
+}
+```