from uint8_t to string

Hi need some helt please
I like to make this

void printAddress(uint8_t deviceAddress[])
{
  for (uint8_t i=0; i < 8;i++)
  {
    Serial << _HEX(deviceAddress[i]);
  }
}

Into somthing thats return a string??

Can anyone help me

look at the code here:-
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1250910244