Update citation

README.md

@@ -106,14 +106,24 @@ The Swiss German adapter was trained on the following two datasets of written Sw
 
 ## Citations
 ```bibtex
-@article{vamvas-etal-2023-swissbert,
-      title={Swiss{BERT}: The Multilingual Language Model for Switzerland}, 
-      author={Jannis Vamvas and Johannes Gra\"en and Rico Sennrich},
-      year={2023},
-      eprint={2303.13310},
-      archivePrefix={arXiv},
-      primaryClass={cs.CL},
-      url={https://arxiv.org/abs/2303.13310}
+@inproceedings{vamvas-etal-2023-swissbert,
+    title = "{S}wiss{BERT}: The Multilingual Language Model for {S}witzerland",
+    author = {Vamvas, Jannis  and
+      Gra{\"e}n, Johannes  and
+      Sennrich, Rico},
+    editor = {Ghorbel, Hatem  and
+      Sokhn, Maria  and
+      Cieliebak, Mark  and
+      H{\"u}rlimann, Manuela  and
+      de Salis, Emmanuel  and
+      Guerne, Jonathan},
+    booktitle = "Proceedings of the 8th edition of the Swiss Text Analytics Conference",
+    month = jun,
+    year = "2023",
+    address = "Neuchatel, Switzerland",
+    publisher = "Association for Computational Linguistics",
+    url = "https://aclanthology.org/2023.swisstext-1.6",
+    pages = "54--69",
 }
 ```