Update README.md

README.md

@@ -114,9 +114,12 @@ CaseHOLD test results:
 
 ### BibTeX entry and citation info
 ```bibtex
-@article{henderson2022pile,
-  title={Pile of Law: Learning Responsible Data Filtering from Law and a 256GB Open-Source Legal Dataset},
-  author={Henderson, Peter and Krass, Mark S. and Zheng, Lucia and Guha, Neel and Manning, Chris and Jurafsky, Dan and Ho, Daniel E.},
-  year={2022}
+@misc{hendersonkrass2022pileoflaw,
+  url = {https://arxiv.org/abs/2207.00220},
+  author = {Henderson, Peter and Krass, Mark S. and Zheng, Lucia and Guha, Neel and Manning, Christopher D. and Jurafsky, Dan and Ho, Daniel E.},
+  title = {Pile of Law: Learning Responsible Data Filtering from the Law and a 256GB Open-Source Legal Dataset},
+  publisher = {arXiv},
+  year = {2022}, 
+  copyright = {arXiv.org perpetual, non-exclusive license}
 }
 ```