Update README.md

README.md

@@ -171,6 +171,7 @@ Carbon emissions can be estimated using the [Machine Learning Impact calculator]
 ## Citation [optional]
 
 <!-- If there is a paper or blog post introducing the model, the APA and Bibtex information for that should go in this section. -->
+arxiv.org/abs/2505.21250
 
 **BibTeX:**