Fix White – No Cydia icon after Absinthe Jailbreak ? After Jailbreaking your iPhone / iPod / iPad You have to wait until Absinthe 2.0 or 2.0.1 complete the jailbreak process. and that is because the huge Traffic these days which needed to install Cydia App at the same Time.
You must know that Absinthe takes time to install the file. If after several tries and waiting period it does not show up , there is something wrong with the jailbreak or the process. try running it in Administrative mode if on a PC .