Update README.md

README.md

@@ -37,4 +37,10 @@ possibilities of each class of reasong steps.
 For detailed instructions on how to use the ReasonEval-7B model, visit our GitHub repository at [https://github.com/GAIR-NLP/ReasonEval](https://github.com/GAIR-NLP/ReasonEval).
 ## How to Cite
 ```bibtex
+@article{xia2024evaluating,
+        title={Evaluating Mathematical Reasoning Beyond Accuracy}, 
+        author={Xia, Shijie and Li, Xuefeng and Liu, Yixin and Wu, Tongshuang and Liu, Pengfei},
+        journal={arXiv preprint arXiv:2404.05692},
+        year={2024},
+}
 ```