Update README.md

README.md

@@ -139,12 +139,14 @@ Since most question options are represented in reference images, all tasks are c
 If you use SpatialViz-Bench in your research, please cite our paper:
 
 ```bibtex
-@misc{wang2025spatialviz,
-  author = {Siting Wang and Luoyang Sun and Cheng Deng and Kun Shao and Minnan Pei and Zheng Tian and Haifeng Zhang and Jun Wang},
-  title = {SpatialViz-Bench: Automatically Generated Spatial Visualization Reasoning Tasks for MLLMs},
-  year = {2025},
-  url = {https://github.com/wangst0181/Spatial-Visualization-Benchmark-SpatialViz-Bench/blob/main/SpatialViz-Bench_Automatically_Generated_Spatial_Visualization_Reasoning_Tasks_for_MLLMs.pdf},
-  note = {Available on GitHub}
+@misc{wang2025spatialvizbenchautomaticallygeneratedspatial,
+      title={SpatialViz-Bench: Automatically Generated Spatial Visualization Reasoning Tasks for MLLMs}, 
+      author={Siting Wang and Luoyang Sun and Cheng Deng and Kun Shao and Minnan Pei and Zheng Tian and Haifeng Zhang and Jun Wang},
+      year={2025},
+      eprint={2507.07610},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2507.07610}, 
 }
 ```