Update README: migrate from bflhc to Octen organization and update citation

README.md

@@ -107,7 +107,7 @@ This model is derived from [Qwen/Qwen3-Embedding-4B](https://huggingface.co/Qwen
 
 ## Paper
 
-For more details, please refer to our blog post: [Octen-Embedding: Reproducible 1st Place on RTEB](https://octen-team.github.io/octen_blog/posts/octen-rteb-first-place/)
+For more details, please refer to our blog post: [Octen Series: Optimizing Embedding Models to #1 on RTEB Leaderboard](https://octen-team.github.io/octen_blog/posts/octen-rteb-first-place/)
 
 ## Citation
 
@@ -115,7 +115,7 @@ If you find our work helpful, please consider citing:
 
 ```bibtex
 @misc{octen2025rteb,
-  title={Octen-Embedding: Reproducible 1st Place on RTEB},
+  title={Octen Series: Optimizing Embedding Models to #1 on RTEB Leaderboard},
   author={Octen Team},
   year={2025},
   url={https://octen-team.github.io/octen_blog/posts/octen-rteb-first-place/}