Update README.md

README.md

@@ -75,6 +75,15 @@ If you wish to cite our work, please use the following reference:
   journal={arXiv preprint arXiv:2307.14995},
   year={2023}
 }
+
+@misc{qin2024lightning,
+      title={Lightning Attention-2: A Free Lunch for Handling Unlimited Sequence Lengths in Large Language Models}, 
+      author={Zhen Qin and Weigao Sun and Dong Li and Xuyang Shen and Weixuan Sun and Yiran Zhong},
+      year={2024},
+      eprint={2401.04658},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL}
+}
 ```
 
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