When you are using resources accessed through the Tuakiri Federation system, your username will sometimes show as something like lasfi12p@otago.ac.nz. You will not need to do anything. Each resource website that you access using the Tuakiri identity federation system needs to create a reasonably unique and readable name for you when you are logged in. You can read this example as "the account lasfi12p at the institution with domain otago.ac.nz".
Further information