What are the special steps I might need to follow creating MVC5 users with the migration Seed method or submission by list?

Hello,
VS2013, MVC5, EF6 code first, VB
This post is to ask for upfront guidance about the issues I have to resolve if I want to create users automatically, such as during a database Seed, or later if I decide to submit a data file with a list of users in it.
Is it as simple as creating a record as with any other table, or are there special factors that must be taken into account?
I also note there are 3 fields in the template MVC5 project that seem to have 'generated' information: Id, PasswordHash, SecurityStamp.  Is there a proscribed method to emulate the way the template fills those fields when a user registers through the operational website?  I did see this post, but my question is ...