Add CrossEncoder integration

README.md

@@ -219,6 +219,22 @@ ce = CrossEncoder(MODEL_PATH, model_kwargs={"torch_dtype": torch.float32})
 
 
 
+## Citation
+
+If you use Prism-Reranker in your research, please cite:
+
+```bibtex
+@misc{zhang2025prismreranker,
+  title  = {Prism-Reranker: Beyond Relevance Scoring -- Jointly Producing Contributions and Evidence for Agentic Retrieval},
+  author = {Dun Zhang},
+  year   = {2025},
+  eprint = {2604.23734},
+  archivePrefix = {arXiv},
+  primaryClass  = {cs.IR},
+  url    = {https://arxiv.org/abs/2604.23734},
+}
+```
+
 ## Contact
 
 Dun Zhang — `dunnzhang0@gmail.com` (independent researcher).