iOS 6.1.3 Jailbreak Released http://www.evad3rsteam.net/
2 minutes of your time!
A computer, running Windows (XP minimum), Mac OS X (10.6 minimum) or Linux (x86 / x86_64)
iTunes installed if you're running Windows
An iPhone, iPad or iPod running iOS 6.0 through 6.1.3 (you may check in Settings / General / About Version)
A USB cable to connect the device to the computer