Update README.md

README.md

@@ -63,5 +63,14 @@ Users should evaluate the model in their target environment and avoid extrapolat
 The model is intended to be used within an agent loop that alternates between observations and actions and maintaining a belief memory buffer as described in PABU.
 
 ## Citation
-
-If you use this model, please cite the PABU paper and the LLaMA‑3.1 technical report.
+```
+@misc{jiang2026pabuprogressawarebeliefupdate,
+      title={PABU: Progress-Aware Belief Update for Efficient LLM Agents}, 
+      author={Haitao Jiang and Lin Ge and Hengrui Cai and Rui Song},
+      year={2026},
+      eprint={2602.09138},
+      archivePrefix={arXiv},
+      primaryClass={cs.AI},
+      url={https://arxiv.org/abs/2602.09138}, 
+}
+```