Add BibTex entry

README.md

@@ -112,5 +112,13 @@ As of Sun 24 Jan 2021, we release the model from the checkpoint @360,000 steps d
 
 **BibTeX entry and citation info**
 
-[Coming Soon]
-
+```
+@misc{lowphansirikul2021wangchanberta,
+      title={WangchanBERTa: Pretraining transformer-based Thai Language Models}, 
+      author={Lalita Lowphansirikul and Charin Polpanumas and Nawat Jantrakulchai and Sarana Nutanong},
+      year={2021},
+      eprint={2101.09635},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL}
+}
+```