Add TGRC-PQ SSRN citation to dataset card

README.md

@@ -134,6 +134,24 @@ openreview_artifacts:  0.16 GiB
 
 ## Citation
 
+TGRC-PQ paper:
+
+```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}
+}
+```
+
 Localized Narratives:
 
 ```bibtex