Update README.md

README.md

@@ -95,6 +95,8 @@ Please kindly cite our paper if you use any resources in this repository:
       title={MUFFIN: Curating Multi-Faceted Instructions for Improving Instruction-Following}, 
       author={Renze Lou and Kai Zhang and Jian Xie and Yuxuan Sun and Janice Ahn and Hanzi Xu and Yu su and Wenpeng Yin},
       year={2023},
+      eprint={2312.02436},
+      archivePrefix={arXiv},
       primaryClass={cs.CL}
 }
 ```