Update README.md

README.md

@@ -187,12 +187,11 @@ for robot_idx in range(2):
 ## Citation
 
 ```bibtex
-@software{rdt2,
-    title={RDT2: Enabling Zero-Shot Cross-Embodiment Generalization by Scaling Up UMI Data},
-    author={RDT Team},
-    url={https://github.com/thu-ml/RDT2},
-    month={September},
-    year={2025}
+@article{liu2026rdt2,
+  title={RDT2: Exploring the Scaling Limit of UMI Data Towards Zero-Shot Cross-Embodiment Generalization},
+  author={Liu, Songming and Li, Bangguo and Ma, Kai and Wu, Lingxuan and Tan, Hengkai and Ouyang, Xiao and Su, Hang and Zhu, Jun},
+  journal={arXiv preprint arXiv:2602.03310},
+  year={2026}
 }
 ```