Update README.md

Author: Feng-Jay

README.md

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 # JavaRefactor [![Build, Test and Depoly](https://github.com/Feng-Jay/JavaRefactor/actions/workflows/maven.yml/badge.svg)](https://github.com/Feng-Jay/JavaRefactor/actions/workflows/maven.yml)
 
-JavaRefactor is used in our paper [Evaluating the Generalizability of LLMs in Automated Program Repair @ICSE2025-NIER](https://conf.researchr.org/track/icse-2025/icse-2025-nier)! If you think this repo is helpful, pls cite us😜!
+JavaRefactor is used in our paper [Evaluating the Generalizability of LLMs in Automated Program Repair @ICSE2025-NIER](https://arxiv.org/abs/2503.09217)! If you think this repo is helpful, pls cite us😜!
 
 JavaRefactor is a tool that can refactor java code while keeping original semantic.