Update README.md

README.md

@@ -128,5 +128,13 @@ The license is TODO.
 ### Citation Information
 
 ```bibtex
-TODO
+@misc{nie2025uqassessinglanguagemodels,
+      title={UQ: Assessing Language Models on Unsolved Questions}, 
+      author={Fan Nie and Ken Ziyu Liu and Zihao Wang and Rui Sun and Wei Liu and Weijia Shi and Huaxiu Yao and Linjun Zhang and Andrew Y. Ng and James Zou and Sanmi Koyejo and Yejin Choi and Percy Liang and Niklas Muennighoff},
+      year={2025},
+      eprint={2508.17580},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2508.17580}, 
+}
 ```