best methodology to create a user login

Please tell me the best methodology to create the user login using the following details.

• First name
开发者_JAVA百科
• Last name
• DOB

I need more readable and should not be duplicated user login. If the above details is not much or not worth to create a user login, please let me know, what details are required to create the user login in the best way?.

Have a look at this article for some great advice:

Innovative Techniques To Simplify Sign-Ups and Log-Ins

Here's a summary:

• Allow Users to Log in With Their Email Address
• Log Users in Without Leaving the Page
• Auto-Focus the First Text Field
• Allow Users to Unmask Their Password
• Use a Question Mark Icon for the Password Recovery Link
• Make the “Submit” Button as Wide as the Text Fields
• Allow Users to Log in Via Facebook, Twitter or OpenID

See also The Definitive Guide To Website Authentication here on Stackoverflow.

Topics include:

• how to log in
• how to remain logged in
• how to store passwords
• using secret questions
• forgotten password functionality
• OpenID
• "Remember me" checkbox
• Browser autocompletion of usernames and passwords
• secret urls (public urls protected by digest)
• checking password strength
• email validation