Update README.md

README.md

@@ -8,6 +8,6 @@ pinned: false
 short_description: 'RaDeR: reasoning based dense retrievers and reranker'
 ---
 
-RaDeR are a series of reasoning based dense retrievers and rerankers, trained using data derived from mathematical problem solving using large language models.  
+[RaDeR](https://arxiv.org/abs/2505.18405) are a series of reasoning based dense retrievers and rerankers, trained using data derived from mathematical problem solving using large language models.  
 
 **Work from Center of Intelligent Information Retrieval (CIIR), UMass Amherst.**