Add TGRC-PQ SSRN citation to artifact README

openreview_artifacts/README.md

@@ -82,8 +82,28 @@ https://google.github.io/localized-narratives/
 
 We extracted 64D student features and 1024D teacher features with BEiT3-Large
 from the Flickr30K, COCO, and OpenImages portions of Localized Narratives, then
-used those features to build LightCMR-Bench. Please cite the original Localized
-Narratives paper when using these artifacts:
+used those features to build LightCMR-Bench.
+
+Please cite the TGRC-PQ paper when using this artifact bundle:
+
+```text
+Zhou, Kun and HASSAN, FADRATUL HAFINAZ and Gan, Keng Hoon,
+Attention-Guided Product Quantization for Efficient Cross-Modal Retrieval.
+Available at SSRN: https://ssrn.com/abstract=6022619 or
+http://dx.doi.org/10.2139/ssrn.6022619
+```
+
+```bibtex
+@misc{zhou_attention_guided_pq_ssrn,
+  title        = {Attention-Guided Product Quantization for Efficient Cross-Modal Retrieval},
+  author       = {Zhou, Kun and Hassan, Fadratul Hafinaz and Gan, Keng Hoon},
+  howpublished = {Available at SSRN: \url{https://ssrn.com/abstract=6022619}},
+  doi          = {10.2139/ssrn.6022619}
+}
+```
+
+Please also cite the original Localized Narratives paper when using these
+artifacts:
 
 ```bibtex
 @inproceedings{ponttuset2020connecting,