Add link to technical report

README.md

@@ -5854,11 +5854,7 @@ license: mit
 
 ## E5-mistral-7b-instruct
 
-**[TODO] Technical report on the model training and evaluation will be available before 2024-01-01.**
-
-Some highlights for preview:
-* This model is only fine-tuned for less than 1000 steps, no contrastive pre-training is used.
-* For a large part of training data, the query, positive documents and negative documents are all generated by LLMs.
+[Improving Text Embeddings with Large Language Models](https://arxiv.org/pdf/2401.00368.pdf). Liang Wang, Nan Yang, Xiaolong Huang, Linjun Yang, Rangan Majumder, Furu Wei, arXiv 2024
 
 This model has 32 layers and the embedding size is 4096.