Update README.md

README.md

@@ -183,15 +183,6 @@ We also evaluate and establish a new SoTA on [MDCR](https://github.com/zoranmedi
 
 Please cite the following works if you end up using SPECTER 2.0:
 
-[SPECTER paper](https://api.semanticscholar.org/CorpusID:215768677):  
-
-```bibtex
-@inproceedings{specter2020cohan,
-  title={{SPECTER: Document-level Representation Learning using Citation-informed Transformers}},
-  author={Arman Cohan and Sergey Feldman and Iz Beltagy and Doug Downey and Daniel S. Weld},
-  booktitle={ACL},
-  year={2020}
-}
 ```
 [SciRepEval paper](https://api.semanticscholar.org/CorpusID:254018137)
 ```bibtex