Update readme.md

readme.md

@@ -160,6 +160,11 @@ To extract traces simultaneouysly as used in the experiment, execute the attache
 
 complete size of each combination file is around 140 MB.
 
+## Research paper
+The paper is available in the procceedings of the Eleventh International Conference on Learning Representations (ICLR 2023).
+
+    A Multi-agent Reinforcement Learning Approach for Cache Timing Attacks and Detection (https://openreview.net/forum?id=CDlHZ78-Xzi)
+    Jiaxun Cui, Xiaomeng Yang*, Mulong Luo*, Geunbae Lee*, Peter Stone, Hsien-Hsin S. Lee, Edward Suh, Wenjie Xiong, Yuandong Tian
 
 ## References