Update README.md

README.md

@@ -344,10 +344,11 @@ We further conducted code generation tests on a machine with **an Nvidia A100 GP
 
 
 ## Citation
-
+```
 @inproceedings{zhong2025vega,
   title={VEGA: Automatically Generating Compiler Backends Using a Pre-Trained Transformer Model},
   author={Ming Zhong, Fang Lv, Lulin Wang, Lei Qiu, Yingying Wang, Huimin Cui, Xiaobing Feng, Jingling Xue},
   booktitle={2025 IEEE/ACM International Symposium on Code Generation and Optimization (CGO)},
   year={2025}
-}
+}
+```