Update README.md

README.md

@@ -108,3 +108,13 @@ image = "glove_boy.jpeg"
 choices = ["gloves", "socks", "shoes", "coats"]
 print(vqa_model.vqa_multiple_choice(question, image, choices))
 ```
+
+## Bibtex
+```
+@article{hu2022promptcap,
+  title={PromptCap: Prompt-Guided Image Captioning for VQA with GPT-3},
+  author={Hu, Yushi and Hua, Hang and Yang, Zhengyuan and Shi, Weijia and Smith, Noah A and Luo, Jiebo},
+  journal={arXiv preprint arXiv:2211.09699},
+  year={2022}
+}
+```