fix citation

README.md

@@ -181,14 +181,11 @@ The Barcelona Supercomputing Center, as the owner and creator of the model, shal
 ### Citation
 
 ```
-@misc{tamayo2026mrbertmodernmultilingualencoders,
-      title={MrBERT: Modern Multilingual Encoders via Vocabulary, Domain, and Dimensional Adaptation}, 
-      author={Daniel Tamayo and Iñaki Lacunza and Paula Rivera-Hidalgo and Severino Da Dalt and Javier Aula-Blasco and Aitor Gonzalez-Agirre and Marta Villegas},
-      year={2026},
-      eprint={2602.21379},
-      archivePrefix={arXiv},
-      primaryClass={cs.CL},
-      url={https://arxiv.org/abs/2602.21379}, 
+@article{tamayo2026mrbert,
+  title={MrBERT: Modern Multilingual Encoders via Vocabulary, Domain, and Dimensional Adaptation},
+  author={Tamayo, Daniel and Lacunza, I{\~n}aki and Rivera-Hidalgo, Paula and Da Dalt, Severino and Aula-Blasco, Javier and Gonzalez-Agirre, Aitor and Villegas, Marta},
+  journal={arXiv preprint arXiv:2602.21379},
+  year={2026}
 }
 ```