Update README.md with citation

Author: simeon-ned

README.md

@@ -90,6 +90,21 @@ JAXADI comes with several examples to help you get started:
 
 We welcome contributions! Please see our [Contributing Guide](CONTRIBUTING.md) for more details. -->
 
+## Citation
+
+If you use JaxADi in your research, please cite it as follows:
+
+```bibtex
+@misc{jaxadi2024,
+  title = {JaxADi: Bridging CasADi and JAX for Efficient Numerical Computing},
+  author = {Kozlov, Lev and Alentev, Igor and Nedelchev, Simeon},
+  year = {2024},
+  publisher = {GitHub},
+  journal = {GitHub repository},
+  howpublished = {\url{https://github.com/based-robotics/jaxadi}},
+  note = {Accessed: [Insert Access Date]}
+}
+
 ## Acknowledgements
 
 This project draws inspiration from [cusadi](https://github.com/se-hwan/cusadi), with a focus on simplicity and JAX integration.