Update citation (#2)

- Update citation (ef6bad306b90f613c7d9e94bc2dedf5a46b0be35)

README.md

@@ -112,9 +112,9 @@ Paper following soon.
 ## 🎓 Citation
 
 ```bibtex
-@online{rerank2025mxbai,
-  title={Every Byte Matters: Introducing mxbai-embed-xsmall-v1},
-  author={Sean Lee and Aamir Shakir and Julius Lipp and Rui Huang},
+@online{v2rerank2025mxbai,
+  title={Baked-in Brilliance: Reranking Meets RL with mxbai-rerank-v2},
+  author={Sean Lee and Rui Huang and Aamir Shakir and Julius Lipp},
   year={2025},
   url={https://www.mixedbread.com/blog/mxbai-rerank-v2},
 }