Below is a good reference on how to review a paper.

Philip W. L. Fong, "Reading a Computer Science Research Paper", ACM SIGCSE Bulletin archive, Volume 41, Issue 2, June 2009, Pages 138-140.

doi>10.1145/1595453.1595493

http://pages.cpsc.ucalgary.ca/~pwlfong/Pub/inroads2009.pdf