Update README.md

README.md

@@ -545,5 +545,10 @@ For the datasets, E2H-GSM8K, E2H-ARC and E2H-Winogrande, all of them only have e
 ## Citation Information
 
 ```
-TBD
+@article{ding2024easy2hard,
+  title={Easy2Hard-Bench: Standardized Difficulty Labels for Profiling LLM Performance and Generalization},
+  author={Ding, Mucong and Deng, Chenghao and Choo, Jocelyn and Wu, Zichu and Agrawal, Aakriti and Schwarzschild, Avi and Zhou, Tianyi and Goldstein, Tom and Langford, John and Anandkumar, Anima and others},
+  journal={arXiv preprint arXiv:2409.18433},
+  year={2024}
+}
 ```