update readme

README.md

@@ -5,10 +5,10 @@ Ithemal is a data driven model for predicting throughput of a basic block of x86
 
 More details about Ithemal's approach can be found in our paper.
 
-* [Ithemal: Accurate, Portable and Fast Basic Block Throughput Estimation using Deep Neural Networks](https://arxiv.org/abs/1808.07412)
- Charith Mendis, Alex Renda, Saman Amarasinghe, Michael Carbin
- Proceedings of the 36th International Conference on Machine Learning (ICML) 2019.
- [Bibtex](http://groups.csail.mit.edu/commit/bibtex.cgi?key=ithemal-icml)
+* [Ithemal: Accurate, Portable and Fast Basic Block Throughput Estimation using Deep Neural Networks](https://arxiv.org/abs/1808.07412)<br>
+   Charith Mendis, Alex Renda, Saman Amarasinghe, Michael Carbin<br>
+   Proceedings of the 36th International Conference on Machine Learning (ICML) 2019.
+   [Bibtex](http://groups.csail.mit.edu/commit/bibtex.cgi?key=ithemal-icml)
 
 A demo of Ithemal's Skylake model can be found [here](http://3.18.198.23/predict).
 It takes in a basic block in any standard syntax, and generates a prediction for the throughput of that block.