Password Generator is a password generator with many options. You can simply define the content type of passwords to generate (lowercase, uppercase, numbers, special characters, position etc.). Your configuration can be saved in a template (the software includes some default templates for generating WEP, WPA Wifi keys etc.).
It can also generate up to 1000 passwords based on your template (can be saved in a text file).
To install automatically Password Generator on your LiberKey, make sure you previously activated files associations from the "LiberKey Tools" menu.
You can then open the file directly to start the installation.