Update README.md

README.md

@@ -59,4 +59,16 @@ If you use either the NLCD-L dataset or the original SSL4EO-L Benchmark dataset
   pages={59787--59807},
   year={2023}
 }
+```
+and if you also find our benchmark useful, please consider citing our paper:
+```
+@misc{si2025scalablefoundationmodelmultimodal,
+      title={Towards Scalable Foundation Model for Multi-modal and Hyperspectral Geospatial Data}, 
+      author={Haozhe Si and Yuxuan Wan and Minh Do and Deepak Vasisht and Han Zhao and Hendrik F. Hamann},
+      year={2025},
+      eprint={2503.12843},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2503.12843}, 
+}
 ```