Added BibTex snippet

README.md

@@ -79,3 +79,16 @@ When contributing, please follow the following (common-sense) steps:
 The repository comes with a sample app that you can install both in debug and release configuration. Just run `./gradlew installDebug` or `./gradlew installRelease` respectively.
 
 <img src="app/device_screenshot.png" width=353 height=640 align=center>
+
+## Reference/BibText 📚
+
+If you want to reference Argon2Kt in documentation or articles, feel free to use this suggested BibTex snippet:
+
+```
+@misc{hugenroth2019argon2kt,
+  author={{Daniel Hugenroth}},
+  title={Argon2Kt},
+  year={2019},
+  url={https://github.com/lambdapioneer/argon2kt},
+}
+```