Update VPB citation

README.md

@@ -124,10 +124,16 @@ python scripts/evaluate_vpb_predictions.py \
 
 ## Citation
 
-Please replace the placeholder below with the final paper BibTeX before public release.
-
 ```bibtex
-
+@misc{zhai2026maximizinghumanefficiencylargescale,
+      title={Maximizing Human Efficiency in Large-Scale Robot Post-Training via VLAC-Cut Guided Pipeline}, 
+      author={Shaopeng Zhai and Qi Zhang and Tianyi Zhang and Haoran Zhang and Fuxian Huang and Zhanhui Lin and Zijun Xu},
+      year={2026},
+      eprint={2607.09776},
+      archivePrefix={arXiv},
+      primaryClass={cs.RO},
+      url={https://arxiv.org/abs/2607.09776}, 
+}
 ```
 
 ## License