update citation

README.md

@@ -77,11 +77,12 @@ Sorgu: Dış mekan yürüyüşü için en iyi saat hangisidir?
 
 # Citations
 ```bibtex
-@article{kesgin2023developing,
-  title={Developing and Evaluating Tiny to Medium-Sized Turkish BERT Models},
-  author={Kesgin, Himmet Toprak and Yuce, Muzaffer Kaan and Amasyali, Mehmet Fatih},
-  journal={arXiv preprint arXiv:2307.14134},
-  year={2023}
+@inproceedings{izdas2025turkish,
+  title={Turkish-e5: E5 Model Enhanced for Turkish with Multi-Positive Contrastive Learning},
+  author={Izdas, Tolga and Sancak, Omerhan and Kesgin, H. Toprak and Yuce, M. Kaan and Amasyali, M. Fatih},
+  booktitle={2025 33rd Signal Processing and Communications Applications Conference (SIU)},
+  year={2025},
+  doi={10.1109/SIU66497.2025.11112375}
 }
 ```