The call for papers for H2HC 10th edition is now open. H2HC is a hacker conference taking place in Sao Paulo, Brazil, from October 3rd through the 8th, 2013.
You can download it from the following link: https://packetstormsecurity.com/files/download/120835/H2H-CFP-2013.txt
Source: https://packetstormsecurity.com/files/120835/Hackers-2-Hackers-Conference-10th-Edition-Call-For-Papers.html