Yet still the most common way to keep the bad's out and let the good's in
Although we all know that securing access with a password is a bad thing unless you use some other bits (i.e.two factor auth), the use of password is yet very wide spread.
One time PW generator
If you refuse to use my recommended way and rather go for the "old fashioned" password type, please feel free to pick an appropriate length password from my password generator on this wep page.
Passwords are regenerated every time you call the page...
The interested may download the source CGI script here. The main work is done by pwgen.