Update README.md

README.md

@@ -9,10 +9,13 @@ Project page: https://github.com/dragonlzm/START.
 Please kindly cite our paper if you find this project helpful.
 
 ```bibtex
-@article{liu2025start,
-  title={START: Spatial and Textual Learning for Chart Understanding},
-  author={Liu, Zhuoming and Gao, Xiaofeng and Niu, Feiyang and Gao, Qiaozi and Liu, Liu and Piramuthu, Robinson},
-  journal={arXiv preprint arXiv:2512.07186},
-  year={2025}
+@article{liu2025startspatialtextuallearning,
+      title={START: Spatial and Textual Learning for Chart Understanding}, 
+      author={Zhuoming Liu and Xiaofeng Gao and Feiyang Niu and Qiaozi Gao and Liu Liu and Robinson Piramuthu},
+      year={2025},
+      eprint={2512.07186},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2512.07186}, 
 }
 ```