Update README.md

README.md

@@ -189,4 +189,17 @@ When you use this model for masked language modeling, it may generate biases or
 
 ## License
 
-[MIT License](https://huggingface.co/sbintuitions/modernbert-ja-30m/blob/main/LICENSE)
+[MIT License](https://huggingface.co/sbintuitions/modernbert-ja-30m/blob/main/LICENSE)
+
+## Citation
+
+```bibtex
+@misc{
+    modernbert-ja,
+	author = {Tsukagoshi, Hayato and Li, Shengzhe and Akihiko, Fukuchi and Shibata, Tomohide},
+	title = {{ModernBERT-Ja}},
+	howpublished = {\url{https://huggingface.co/collections/sbintuitions/modernbert-ja-67b68fe891132877cf67aa0a}},
+    url = {https://huggingface.co/collections/sbintuitions/modernbert-ja-67b68fe891132877cf67aa0a},
+	year = {2025},
+}
+```