Update README.md

README.md

@@ -120,14 +120,11 @@ The image below shows reproductions of two representative pages of the scientifi
 
 Please cite as:
 
-```
+```bibtex
 @article{Buehler_Cephalo_2024,
-    title   = {Cephalo, a series of multi-modal vision-language models for bio-inspired materials and mechanics},
-    author  = {M.J. Buehler},
-    journal = {},
-    year    = {2024},
-    volume  = {},
-    pages   = {},
-    url     = {}
+  title={Cephalo: Multi-Modal Vision-Language Models for Bio-Inspired Materials Analysis and Design},
+  author={Markus J. Buehler},
+  journal={arXiv preprint arXiv:2405.19076},
+  year={2024}
 }
 ```