Using the Password Generator in Mavericks

I really, really would love to know this as well. I, too, have tried to use the password generator, but am out of luck here as well. I tried pressing down arrow on a password field and even looked for an option in the menu that comes up when pressing VO+m, but couldn't find any way of doing this. Furthermore, Safari doesn't seem to log me in automatically. I logged into a website on Mavericks, and was asked by Safari if the password should be stored. I accepted this, and then logged out of that website. When logging back in, I noted that username and password fields weren't populated by Safari automatically. I then selected the username field and pressed down arrow, which caused Safari to fill in the username. However, when I attempted the same with the password field, nothing happened whatsoever - I couldn't get Safari to fill in my password for me. Does anyone know how to get this to work properly? Thanks! Robin