update arxiv id

README.md

@@ -26,7 +26,7 @@ base_model: stabilityai/stable-video-diffusion-img2vid-xt
 
 <sup>1</sup> NTU &nbsp; <sup>2</sup> ARC Lab, Tencent PCG &nbsp; <sup>3</sup> HKUST &nbsp; <sup>4</sup> CUHK(SZ) &nbsp; <sup>5</sup> Monash University
 
-[📄 Paper](https://arxiv.org/abs/xxxxx) | [🌐 Project Page](https://ruijiezhu94.github.io/MotionCrafter_Page/) | [💻 Code](https://github.com/TencentARC/MotionCrafter) | [📜 License](LICENSE.txt)
+[📄 Paper](https://arxiv.org/abs/2602.08961) | [🌐 Project Page](https://ruijiezhu94.github.io/MotionCrafter_Page/) | [💻 Code](https://github.com/TencentARC/MotionCrafter) | [📜 License](LICENSE.txt)
 
 </div>
 
@@ -118,7 +118,12 @@ else:
 ## Citation
 
 ```bibtex
-
+@article{zhu2025motioncrafter,
+  title={MotionCrafter: Dense Geometry and Motion Reconstruction with a 4D VAE},
+  author={Zhu, Ruijie and Lu, Jiahao and Hu, Wenbo and Han, Xiaoguang and Cai, Jianfei and Shan, Ying and Zheng, Chuanxia},
+  journal={arXiv preprint arXiv:2602.08961},
+  year={2026}
+}
 ```
 
 ## License