Add link reference paper

README.md

@@ -8,7 +8,9 @@ language:
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 # cardiffnlp/twitter-roberta-base-hate-latest
 
-This model is a fine-tuned version of [cardiffnlp/twitter-roberta-base-2022-154m](https://huggingface.co/cardiffnlp/twitter-roberta-base-2022-154m) for binary hate-speech classification. A combination of 13 different hate-speech datasets in the English language were used to fine-tune the model.
+This model is a fine-tuned version of [cardiffnlp/twitter-roberta-base-2022-154m](https://huggingface.co/cardiffnlp/twitter-roberta-base-2022-154m) for binary hate-speech classification. 
+A combination of 13 different hate-speech datasets in the English language were used to fine-tune the model. 
+More details in the [reference paper](https://aclanthology.org/2023.woah-1.25/).
 
 | **Dataset**   |   **Accuracy** |   **Macro-F1** | **Weighted-F1** |
 |:----------|-----------:|-----------:|--------------:|