Confirmed by Pod2g in an interview, the untethered jailbreak that works on iOS 6.0 through iOS 6.1 was teased by the evad3rs team after a couple of days of the confirmation following which the jailbreak team launched their site evasi0n.
There is quite a stir on Twitter and reddit at the moment about the release of the jailbreak and members of the evad3rs team - pod2g and MuscleNerd are busy answering queries of the eagerly awaiting jailbreaking fans.
[Update: 04/02/2013] The progress bar just hit 100%. But no news of the jailbreak.
Stay tuned for more.